CN217178635U - Range hood and kitchen appliance - Google Patents
Range hood and kitchen appliance Download PDFInfo
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- CN217178635U CN217178635U CN202123332754.1U CN202123332754U CN217178635U CN 217178635 U CN217178635 U CN 217178635U CN 202123332754 U CN202123332754 U CN 202123332754U CN 217178635 U CN217178635 U CN 217178635U
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- volute
- range hood
- heating film
- impeller
- oil
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Abstract
The utility model relates to the technical field of household appliances, a range hood and kitchen appliance is disclosed. The range hood comprises a volute, an impeller, a first heating film, a second heating film, a temperature sensor and an oil collecting cup, wherein an oil passing hole is formed in the bottom of the volute; the impeller is rotationally arranged in the volute; the first heating film is coated on the peripheral surface of the volute; the second heating film is coated on the blade of the impeller; the temperature sensor is arranged in the volute and used for detecting the current temperature in the volute, and when the current temperature is within a preset temperature range, the impeller is started to rotate; the oil collecting cup is arranged at the bottom of the volute and is communicated with the oil passing hole, and the oil collecting cup can collect oil stains flowing out of the interior of the volute. Range hood can realize to the inside thorough cleanness of adhering to grease of range hood, and the noise is less, and user experience feels better.
Description
Technical Field
The utility model relates to the technical field of household appliances, especially, relate to a range hood and kitchen appliance.
Background
The range hood is a kitchen appliance for purifying kitchen environment, is arranged above a kitchen stove, and can quickly pump away waste burnt by the stove and oil smoke harmful to human bodies generated in the cooking process, discharge the waste and the oil smoke out of a room, reduce pollution and purify indoor air. In the use process of the range hood, grease is most easily attached to a volute and an impeller inside the range hood, and if the range hood is not cleaned for a long time, the grease is accumulated more and more, and the grease is difficult to clean due to oxidation and air drying. In addition, the accumulation of excess grease on the impeller increases the weight of the impeller and thus the load on the motor that drives the impeller to rotate, thereby shortening the life of the motor. And the inner wall of the volute can generate a rough wall surface due to the attachment of the grease, so that the smooth discharge of the oil smoke in the volute is influenced, and the noise is obviously increased.
In the prior art, the following ways are usually adopted to clean the grease on the volute and the impeller inside the range hood:
(1) ultrasonic washing, the noise of the cleaning mode is large, and the user experience is influenced;
(2) high-temperature steam washing, namely spraying high-temperature steam generated by a steam generator onto the volute and the impeller to dissolve grease, but by adopting the cleaning mode, scale is easily generated in the steam generator, the spray hole of the spray head is easily blocked by the scale, and the self-cleaning effect of the range hood can be seriously influenced after the range hood is used for a long time;
(3) a heating rod is arranged in the volute, and the heating rod is heated to raise the temperature of the inner cavity of the volute, so that the purpose of oil stain dropping due to melting is achieved. However, by adopting the cleaning mode, the interior of the volute is unevenly heated, oil stains are easy to drip at a high temperature close to the heating rod, the oil stains are difficult to remove at a low temperature far away from the heating rod, and the oil stains on the volute and the impeller cannot be thoroughly cleaned.
Therefore, a range hood and a kitchen appliance are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Based on above, the utility model aims to provide a range hood and kitchen appliance can carry out thorough cleanness to the greasy dirt on spiral case and the impeller, and the noiselessness can promote user experience and feel.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a range hood, comprising:
the bottom of the volute is provided with an oil passing hole;
the impeller is rotatably arranged inside the volute;
the first heating film is coated on the peripheral surface of the volute;
the second heating film is coated on the blades of the impeller;
the temperature sensor is arranged inside the volute and used for detecting the current temperature inside the volute, and when the current temperature is within a preset temperature range, the impeller is started to rotate;
the oil collecting cup is arranged at the bottom of the volute and is communicated with the oil passing hole, and the oil collecting cup can collect oil stains flowing out of the interior of the volute.
As a preferred scheme of the range hood, the first heating film is adhered to the volute; and/or
The second heating film is bonded to the blade.
As a preferred scheme of the range hood, high-temperature glue is arranged between the first heating film and the volute; and/or
And high-temperature glue is arranged between the second heating film and the blade.
As a preferred scheme of the range hood, the first heating film is made of aluminum; and/or
The second heating film is made of aluminum.
As a preferred scheme of the range hood, the oil collecting cup is detachably connected with the volute.
As a preferred scheme of the range hood, a plurality of arc-shaped slots are formed in the bottom of the volute at intervals along the circumferential direction of the oil passing hole, a plurality of inserting protrusions are formed in the cup opening of the oil collecting cup at intervals along the circumferential direction of the cup opening, and the inserting protrusions can be inserted into the arc-shaped slots in a one-to-one correspondence mode.
As a preferable scheme of the range hood, the inner bottom surface of the volute gradually inclines downwards from the periphery to the direction of the oil passing hole.
As a preferable scheme of the range hood, a third heating film is arranged at the bottom of the volute.
As a preferred scheme of the range hood, a power adapter is arranged between the first heating film and an external power supply.
In order to achieve the above purpose, the utility model also provides a kitchen appliance, which comprises the range hood according to any one of the above schemes.
The utility model has the advantages that:
the utility model provides a range hood, which is characterized in that a first heating film is arranged on the outer peripheral surface of a volute, a second heating film is attached to an impeller, when the first heating film and the second heating film are heated, the temperature inside the volute and the temperature of the impeller can be raised, and therefore, grease attached to the inner wall of the volute and the impeller is melted; through setting up temperature sensor, when temperature sensor detected that the inside temperature of spiral case is in predetermineeing temperature range, start the impeller high-speed rotation, can thoroughly get rid of the inner wall of spiral case with adnexed grease on the impeller on, and the impeller of high-speed rotation can produce huge whirlwind and scrape the greasy dirt that has melted on lieing in inner wall of spiral case, makes it flow direction oil hole with higher speed to the realization is to the thorough cleanness of the adnexed grease on inner wall of spiral case and the impeller.
The utility model also provides a kitchen appliance, through using foretell range hood, can realize the thorough cleanness to the inside attached grease of range hood, and the noise is less, and user experience feels better.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a range hood provided by an embodiment of the present invention.
In the figure:
1-a volute; 2-an impeller; 3-a first heating film; 4-power adapter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1, the present embodiment provides a range hood, which includes a volute 1, an impeller 2 and a motor, wherein the impeller 2 is rotatably disposed inside the volute 1, and an output end of the motor is connected to the impeller 2 to drive the impeller 2 to rotate at a high speed, so as to generate a negative pressure above a stove, so as to rapidly pump away waste burned by the stove and oil smoke harmful to human body generated in a cooking process, and discharge the waste and oil smoke outside the room.
However, in the use process of the range hood, grease is most easily attached to the volute and the impeller inside the range hood, and if the range hood is not cleaned for a long time, the grease is more accumulated, and the grease is difficult to clean due to oxidation and air drying. In addition, the accumulation of excess grease on the impeller increases the weight of the impeller and thus the load on the motor that drives the impeller to rotate, thereby shortening the life of the motor. And the inner wall of the volute can generate a rough wall surface due to the attachment of the grease, so that the smooth emission of the oil smoke in the volute is influenced, and the noise is obviously increased.
In order to solve the above problem, the range hood provided by this embodiment further includes a first heating film 3, a second heating film, an oil collecting cup and a temperature sensor, wherein the first heating film 3 is coated on the outer circumferential surface of the volute 1; the second heating film is coated on the blades of the impeller 2, the oil collecting cup is arranged at the bottom of the volute 1 and is communicated with the oil passing hole, and the oil collecting cup can collect oil stains flowing out of the interior of the volute 1; the temperature sensor is arranged in the volute 1 and used for detecting the current temperature in the volute 1, and when the current temperature is within a preset temperature range, the impeller 2 is started to rotate. By providing the first heating film 3 on the outer peripheral surface of the scroll casing 1 and attaching the second heating film to the impeller 2, when the first heating film 3 and the second heating film are heated, the temperature inside the scroll casing 1 and the temperature of the impeller 2 can be raised, so that the grease attached to the inner wall of the scroll casing 1 and the impeller 2 is melted. In addition, the first heating film 3 is coated on the outer peripheral surface of the volute 1, so that the contact area between the first heating film 3 and the volute 1 can be increased, and the effect of uniformly heating the inside of the volute 1 is achieved.
It should be noted that, when the current temperature inside the volute 1 is within the preset temperature range, it indicates that the grease attached to the inner wall of the volute 1 and the impeller 2 is in the optimal melting state at this time, the temperature sensor transmits the signal to the controller of the range hood, the controller controls the motor to work to drive the impeller 2 to rotate at a high speed, the grease attached to the impeller 2 can be thoroughly thrown to the inner wall of the volute 1, and the impeller 2 rotating at a high speed can generate huge whirlwind to scrape the melted grease located on the inner wall of the volute 1, so that the grease flows to the oil through hole at an accelerated speed, and the grease attached to the inner wall of the volute 1 and the grease attached to the impeller 2 can be thoroughly cleaned.
Further, the first heating film 3 is made of an aluminum material; the second heating film is made of aluminum. Compared with other metals, the aluminum has better heat-conducting property, can be quickly heated, and can transfer the heat of the aluminum to the inside of the volute 1 and the impeller 2 to achieve the effect of quickly melting grease.
Further, the first heating film 3 is bonded to the scroll casing 1; the second heating film is adhered to the blade. In the embodiment, the first heating film 3 and the volute 1 are adhered by high-temperature glue; and the second heating film and the blade are adhered by high-temperature glue. The high-temperature adhesive has good high-temperature resistance, high bonding strength and convenient use. When the impeller 2 is machined, the second heating film is simultaneously coated on the blades of the impeller 2.
Further, the oil collecting cup is detachably connected to the volute 1. When the grease in the oil collecting cup is too much, the user can take the oil collecting cup off the volute casing 1 so as to pour the grease collected in the oil collecting cup and then install the oil collecting cup on the volute casing 1 again. Particularly, a plurality of arc-shaped slots are formed in the bottom of the volute 1 at intervals along the circumferential direction of the oil passing hole, a plurality of inserting protrusions are arranged at intervals along the circumferential direction of the cup opening of the oil collecting cup, and the inserting protrusions can be inserted into the arc-shaped slots in a one-to-one correspondence mode. When the user installs the oil collecting cup, can place the protruding correspondence of pegging graft in the clearance between two adjacent arc slots, rotate the oil collecting cup again to make a plurality of grafting protruding one-to-one peg graft in a plurality of arc slots can, convenient and fast, the installation effectiveness is higher.
Further, the inner bottom surface of the volute 1 is gradually inclined downwards from the periphery to the direction of the oil holes. By adopting the mode, guidance can be provided for the process that the melted grease flows to the oil through holes, the grease is prevented from accumulating at the corner position of the volute 1, and the grease in the volute 1 is thoroughly cleaned.
It can be understood that the melted grease inside the scroll casing 1 may not reach the oil passing hole smoothly due to various factors during the process of flowing to the oil passing hole, for example, when the melted grease solidifies during the process of flowing to the oil passing hole. In order to solve the problem, in this embodiment, the third heating film is disposed at the bottom of the spiral case 1, and the third heating film can heat the bottom of the spiral case 1 to prevent the molten grease from solidifying in the process of flowing to the oil through hole, so that the grease dropping from the impeller 2 and the inner wall of the spiral case 1 to the bottom of the spiral case 1 can smoothly flow to the oil through hole, and the grease attached to the inside of the range hood can be thoroughly cleaned.
Further, as shown in fig. 1, a power adapter 4 is provided between the first heating film 3 and an external power source. Because first heating film 3 cladding is on the outer peripheral face of spiral case 1, adopt above-mentioned setting, can prevent that first heating film 3 from leaking electricity and endangering personal safety, power adapter 4 can be with adding the voltage adjustment of first heating film 3 below human safe voltage to guarantee user's personal safety. Similarly, a power adapter 4 may be provided between the third heating film and an external power source.
The self-cleaning process of the oil stain of the range hood is briefly described as follows:
(1) starting a self-cleaning mode of the range hood, and simultaneously heating the first heating film 3, the second heating film and the third heating film;
(2) the temperature sensor detects the current temperature inside the volute 1 in real time and transmits the current temperature to the controller, and when the current temperature is within a preset temperature range, the controller controls the motor to start;
(3) the motor drives the impeller 2 to rotate forwards for a first preset time, then stops for a first interval time, drives the impeller 2 to rotate backwards for a second preset time, and stops for a second interval time; and the operation is circulated for many times, and the melted oil stain is blown by high-speed wind to flow to the oil passing hole at an accelerated speed, so that the inside of the volute 1 and the impeller 2 are cleaned.
In this embodiment, the first preset time, the first interval time, the second preset time, and the second interval time may be adjusted according to actual cleaning needs, where the first preset time and the second preset time are both 5min, and the first interval time and the second interval time are 30 s.
Note that the roles of the impeller 2 in the reverse rotation are: 1) the noise generated by the range hood when the impeller 2 rotates reversely (specifically, the sound of the airflow in the volute 1) is less than the noise generated by the range hood when the impeller 2 rotates forwardly, so that a user can obtain better use feeling when the range hood performs automatic cleaning; 2) the energy consumption when the impeller 2 rotates reversely is less than that when the impeller 2 rotates forwardly, so that the cost of the range hood in the process of automatic cleaning is reduced; 3) the maximum rotating speed that can reach when impeller 2 reverses is greater than the maximum rotating speed that can reach when impeller 2 corotation, therefore this range hood impeller 2 can set up to great rotational speed when carrying out self-cleaning in order to produce bigger centrifugal force, and then can get rid of more grease on the impeller 2 on volute 1, has improved impeller 2's clean effect. And the impeller 2 rotates forwards to enable the molten grease to rapidly enter the oil collecting cup through the oil passing hole.
This embodiment still provides a kitchen appliance (like integrated kitchen), and this kitchen appliance includes above-mentioned range hood, through using foretell range hood, can realize the thorough cleanness to the inside attached grease of range hood, and the noise is less, and user experience feels better.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A range hood, comprising:
the volute comprises a volute (1), wherein an oil passing hole is formed in the bottom of the volute (1);
the impeller (2) is rotatably arranged inside the volute (1);
the first heating film (3) is coated on the peripheral surface of the volute (1);
the second heating film is coated on the blades of the impeller (2);
the temperature sensor is arranged inside the volute (1) and used for detecting the current temperature inside the volute (1), and when the current temperature is within a preset temperature range, the impeller (2) is started to rotate;
the oil collecting cup is arranged at the bottom of the volute (1) and is communicated with the oil passing hole, and the oil collecting cup can collect oil stains flowing out of the interior of the volute (1).
2. The range hood according to claim 1, wherein the first heating film (3) is adhered to the volute (1); and/or
The second heating film is bonded to the blade.
3. The range hood according to claim 2, wherein a high temperature glue is arranged between the first heating film (3) and the volute (1); and/or
And high-temperature glue is arranged between the second heating film and the blade.
4. The range hood according to claim 1, wherein the first heating film (3) is made of aluminum; and/or
The second heating film is made of aluminum.
5. The range hood according to claim 1, wherein the oil collecting cup is detachably connected to the volute (1).
6. The range hood according to claim 5, wherein a plurality of arc slots are formed in the bottom of the volute (1) at intervals along the circumferential direction of the oil passing hole, a plurality of insertion protrusions are formed in the cup opening of the oil collecting cup at intervals along the circumferential direction of the oil collecting cup, and the insertion protrusions can be inserted into the arc slots in a one-to-one correspondence manner.
7. The range hood according to claim 1, wherein the inner bottom surface of the volute (1) is gradually inclined downwards from the periphery to the direction of the oil passing hole.
8. The range hood according to claim 1, wherein the bottom of the volute (1) is provided with a third heating film.
9. The extractor hood according to any of claims 1 to 8, wherein a power adapter (4) is provided between the first heating film (3) and an external power source.
10. A kitchen appliance comprising a range hood as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123332754.1U CN217178635U (en) | 2021-12-28 | 2021-12-28 | Range hood and kitchen appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123332754.1U CN217178635U (en) | 2021-12-28 | 2021-12-28 | Range hood and kitchen appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217178635U true CN217178635U (en) | 2022-08-12 |
Family
ID=82730562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123332754.1U Active CN217178635U (en) | 2021-12-28 | 2021-12-28 | Range hood and kitchen appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217178635U (en) |
-
2021
- 2021-12-28 CN CN202123332754.1U patent/CN217178635U/en active Active
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